Merge pull request #1 from lodoss5/patch-1

Update uploadr.py
Merge pull request #2 from lodoss5/patch-2

Patch 2
Add parameter to enable/disable file comparison

Add parameter to enable/disable file comparison to speed the process if we don't want the script to upload modified files.
This code speeds a bit the file upload since only 1 md5 is generated instead of 2 when uploading a new file.
Merge pull request #3 from lodoss5/patch-2

Add parameter to enable/disable file comparison
Merge pull request #8 from lodoss5/master

Add parameter to enable/disable file comparison